AltMountain

Willow Equity US Partners, LP

New York, NY · CIK 2066266 · Managed by Hyperion Capital Advisors LP

Willow Equity US Partners, LP is a hedge fund based in New York, New York. According to its most recent Form D, filed May 1, 2026, the fund has sold $372,868,664 of interests to 28 investors since its first sale in May 2025. The filing does not set a minimum investment. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Hyperion Advisors GP LLC; Hyperion Capital Advisors LP.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Hyperion Capital Advisors LP, which manages it, disclosed U.S. stock holdings that returned an estimated +0.5% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +20.5% (S&P 500: +37.2%).

This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.

Is this your fund? Report your monthly returns · How performance works

Total raised
$372,868,664Cumulative sales reported on Form D
Investors
28
First sale
May 1, 2025
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Hyperion Advisors GP LLC; Hyperion Capital Advisors LP
Latest Form D
May 1, 2026

From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Willow Equity US Partners, LP

What is the minimum investment for Willow Equity US Partners, LP?

Willow Equity US Partners, LP's latest Form D, filed May 1, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Willow Equity US Partners, LP?

Willow Equity US Partners, LP is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.

How much has Willow Equity US Partners, LP raised?

Willow Equity US Partners, LP reports $372,868,664 sold from 28 investors on its Form D filed May 1, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Willow Equity US Partners, LP based?

Willow Equity US Partners, LP is based in New York, New York and is managed by Hyperion Capital Advisors LP.

When did Willow Equity US Partners, LP launch?

Willow Equity US Partners, LP reports its first sale in May 2025.

Size compared with every hedge fund

Raised more than 76% of the 2,544 hedge funds based in New York, and more than 78% of all 10,308 that report sales.

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